Sivakarthikeyan, also known by his initials as SK, is an Indian actor, playback singer, lyricist, and film producer primarily active in Tamil cinema. He served as a television presenter before his entry into films.
Born in Singampunari, Sivagangai district of Tamil Nadu, he completed his schooling in Tiruchirappalli. He obtained a Bachelor in Engineering and a Master of Business Administration. He started his career in television as a mimicry artist and reality‑show host. He gained prominence after winning the stand-up comedy show Kalakka Povathu Yaaru? in 2006 and began hosting various shows on Star Vijay.
Sivakarthikeyan ventured in Tamil films with the 2012 comedy drama Marina, directed by Pandiraj. From Wikipedia
